αστρονομια	singular, nominative	singular, nominative
	αστρονομιας	singular, genitive	singular, genitive
	αστρονομια	singular, accusative	singular, accusative
	-	singular, vocative	singular, vocative
	αστρονομιες	plural, nominative	plural, nominative
	αστρονομιων	plural, genitive	plural, genitive
	αστρονομιες	plural, accusative	plural, accusative
	-	plural, vocative	plural, vocative